browser.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <sys/types.h>
   4 #include <sys/stat.h>
   5 #include <fcntl.h>
   6 #include <string.h>
   7
   8 #include <gtk/gtk.h>
   9 #include <gdk/gdkx.h>
  10 #include <gdk/gdkkeysyms.h>
  11 #include <gio/gio.h>
  12 #include <webkit/webkit.h>
  13
  14
  15 static void adblock(WebKitWebView *, WebKitWebFrame *, WebKitWebResource *,
  16                     WebKitNetworkRequest *, WebKitNetworkResponse *, gpointer);
  17 static void adblock_load(void);
  18 static void client_destroy(GtkWidget *, gpointer);
  19 static void client_new(const gchar *uri);
  20 static gboolean client_new_request(WebKitWebView *, WebKitWebFrame *,
  21                                    WebKitNetworkRequest *,
  22                                    WebKitWebNavigationAction *,
  23                                    WebKitWebPolicyDecision *, gpointer);
  24 static void cooperation_setup(void);
  25 static void changed_load_status(GObject *obj, GParamSpec *pspec,
  26                                 gpointer data);
  27 static void changed_title(GObject *, GParamSpec *, gpointer);
  28 static void changed_uri(GObject *, GParamSpec *, gpointer);
  29 static gboolean download_request(WebKitWebView *, WebKitWebFrame *,
  30                                  WebKitNetworkRequest *, gchar *,
  31                                  WebKitWebPolicyDecision *, gpointer);
  32 static gboolean download_wget(WebKitWebView *, WebKitDownload *, gpointer);
  33 static gchar *ensure_url_scheme(const gchar *);
  34 static void grab_environment_configuration(void);
  35 static void hover_web_view(WebKitWebView *, gchar *, gchar *, gpointer);
  36 static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  37 static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  38 static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  39 static void search(gpointer, gint);
  40 static void scroll(GtkAdjustment *, gint, gdouble);
  41 static Window tabbed_launch(void);
  42 static void usage(void);
  43
  44
  45 struct Client
  46 {
  47         GtkWidget *win;
  48         GtkWidget *vbox;
  49         GtkWidget *location;
  50         GtkWidget *status;
  51         GtkWidget *scroll;
  52         GtkWidget *web_view;
  53 };
  54
  55
  56 static gchar *accepted_language = "en-US";
  57 static GSList *adblock_patterns = NULL;
  58 static gint clients = 0;
  59 static gboolean cooperative_alone = TRUE;
  60 static gboolean cooperative_instances = TRUE;
  61 static int cooperative_pipe_fp = 0;
  62 static gchar *download_dir = "/tmp";
  63 static Window embed = 0;
  64 static gchar *first_uri = NULL;
  65 static gdouble global_zoom = 1.0;
  66 static gboolean language_is_set = FALSE;
  67 static gchar *search_text = NULL;
  68 static gboolean show_all_requests = FALSE;
  69 static gboolean tabbed_automagic = TRUE;
  70
  71
  72 void
  73 adblock(WebKitWebView *web_view, WebKitWebFrame *frame,
  74         WebKitWebResource *resource, WebKitNetworkRequest *request,
  75         WebKitNetworkResponse *response, gpointer data)
  76 {
  77         GSList *it = adblock_patterns;
  78         const gchar *uri;
  79
  80         (void)web_view;
  81         (void)frame;
  82         (void)resource;
  83         (void)response;
  84         (void)data;
  85
  86         uri = webkit_network_request_get_uri(request);
  87         if (show_all_requests)
  88                 fprintf(stderr, "-> %s\n", uri);
  89
  90         while (it)
  91         {
  92                 if (g_regex_match((GRegex *)(it->data), uri, 0, NULL))
  93                 {
  94                         webkit_network_request_set_uri(request, "about:blank");
  95                         if (show_all_requests)
  96                                 fprintf(stderr, "\tBLOCKED!\n");
  97                         return;
  98                 }
  99                 it = g_slist_next(it);
 100         }
 101 }
 102
 103 void
 104 adblock_load(void)
 105 {
 106         GRegex *re = NULL;
 107         GError *err = NULL;
 108         GIOChannel *channel = NULL;
 109         gchar *path = NULL;
 110         gchar *buf = NULL;
 111
 112         path = g_build_filename(g_get_user_config_dir(), __NAME__, "adblock.black",
 113                                 NULL);
 114         channel = g_io_channel_new_file(path, "r", &err);
 115         if (channel != NULL)
 116         {
 117                 while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
 118                        == G_IO_STATUS_NORMAL)
 119                 {
 120                         g_strstrip(buf);
 121                         re = g_regex_new(buf,
 122                                          G_REGEX_CASELESS | G_REGEX_OPTIMIZE,
 123                                          G_REGEX_MATCH_PARTIAL, &err);
 124                         if (err != NULL)
 125                         {
 126                                 fprintf(stderr, __NAME__": Could not compile regex: %s\n", buf);
 127                                 g_error_free(err);
 128                                 err = NULL;
 129                         }
 130                         adblock_patterns = g_slist_append(adblock_patterns, re);
 131
 132                         g_free(buf);
 133                 }
 134         }
 135         g_free(path);
 136 }
 137
 138 void
 139 client_destroy(GtkWidget *obj, gpointer data)
 140 {
 141         struct Client *c = (struct Client *)data;
 142
 143         (void)obj;
 144
 145         webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 146         gtk_widget_destroy(c->web_view);
 147         gtk_widget_destroy(c->scroll);
 148         gtk_widget_destroy(c->status);
 149         gtk_widget_destroy(c->location);
 150         gtk_widget_destroy(c->vbox);
 151         gtk_widget_destroy(c->win);
 152         free(c);
 153
 154         clients--;
 155         if (clients == 0)
 156                 gtk_main_quit();
 157 }
 158
 159 void
 160 client_new(const gchar *uri)
 161 {
 162         struct Client *c;
 163         gchar *capitalized_name = NULL, *f;
 164
 165         if (cooperative_instances && !cooperative_alone)
 166         {
 167                 write(cooperative_pipe_fp, uri, strlen(uri));
 168                 write(cooperative_pipe_fp, "\n", 1);
 169                 return;
 170         }
 171
 172         c = malloc(sizeof(struct Client));
 173         if (!c)
 174         {
 175                 fprintf(stderr, __NAME__": fatal: malloc failed\n");
 176                 exit(EXIT_FAILURE);
 177         }
 178
 179         c->win = NULL;
 180         if (embed != 0)
 181         {
 182                 c->win = gtk_plug_new(embed);
 183                 if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 184                 {
 185                         fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 186                         gtk_widget_destroy(c->win);
 187                         c->win = NULL;
 188                         embed = 0;
 189                 }
 190         }
 191
 192         if (c->win == NULL)
 193         {
 194                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 195
 196                 capitalized_name = g_strdup(__NAME__);
 197                 capitalized_name[0] = g_ascii_toupper(capitalized_name[0]);
 198                 gtk_window_set_wmclass(GTK_WINDOW(c->win), __NAME__, capitalized_name);
 199                 g_free(capitalized_name);
 200         }
 201
 202         /* When using Gtk2, it only shows a white area when run in suckless'
 203          * tabbed. It appears we need to set a default window size for this
 204          * to work. This is not needed when using Gtk3. */
 205         gtk_window_set_default_size(GTK_WINDOW(c->win), 1024, 768);
 206
 207         g_signal_connect(G_OBJECT(c->win), "destroy",
 208                          G_CALLBACK(client_destroy), c);
 209         gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
 210
 211         c->web_view = webkit_web_view_new();
 212         webkit_web_view_set_full_content_zoom(WEBKIT_WEB_VIEW(c->web_view), TRUE);
 213         webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 214         g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 215                          G_CALLBACK(changed_title), c);
 216         g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 217                          G_CALLBACK(changed_uri), c);
 218         g_signal_connect(G_OBJECT(c->web_view), "notify::load-status",
 219                          G_CALLBACK(changed_load_status), c);
 220         g_signal_connect(G_OBJECT(c->web_view),
 221                          "new-window-policy-decision-requested",
 222                          G_CALLBACK(client_new_request), NULL);
 223         g_signal_connect(G_OBJECT(c->web_view),
 224                          "mime-type-policy-decision-requested",
 225                          G_CALLBACK(download_request), NULL);
 226         g_signal_connect(G_OBJECT(c->web_view), "download-requested",
 227                          G_CALLBACK(download_wget), NULL);
 228         g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 229                          G_CALLBACK(key_web_view), c);
 230         g_signal_connect(G_OBJECT(c->web_view), "button-release-event",
 231                          G_CALLBACK(key_web_view), c);
 232         g_signal_connect(G_OBJECT(c->web_view), "hovering-over-link",
 233                          G_CALLBACK(hover_web_view), c);
 234         g_signal_connect(G_OBJECT(c->web_view), "resource-request-starting",
 235                          G_CALLBACK(adblock), NULL);
 236
 237         if (!language_is_set)
 238         {
 239                 g_object_set(webkit_get_default_session(), "accept-language",
 240                              accepted_language, NULL);
 241                 language_is_set = TRUE;
 242         }
 243
 244         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 245
 246         gtk_container_add(GTK_CONTAINER(c->scroll), c->web_view);
 247
 248         c->location = gtk_entry_new();
 249         g_signal_connect(G_OBJECT(c->location), "key-press-event",
 250                          G_CALLBACK(key_location), c);
 251
 252         c->status = gtk_statusbar_new();
 253         gtk_statusbar_set_has_resize_grip(GTK_STATUSBAR(c->status), FALSE);
 254
 255         c->vbox = gtk_vbox_new(FALSE, 2);
 256         gtk_box_pack_start(GTK_BOX(c->vbox), c->location, FALSE, FALSE, 0);
 257         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 258         gtk_box_pack_end(GTK_BOX(c->vbox), c->status, FALSE, FALSE, 0);
 259
 260         gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 261
 262         gtk_widget_grab_focus(c->web_view);
 263         gtk_widget_show_all(c->win);
 264
 265         f = ensure_url_scheme(uri);
 266         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 267         g_free(f);
 268
 269         clients++;
 270 }
 271
 272 gboolean
 273 client_new_request(WebKitWebView *web_view, WebKitWebFrame *frame,
 274                    WebKitNetworkRequest *request,
 275                    WebKitWebNavigationAction *navigation_action,
 276                    WebKitWebPolicyDecision *policy_decision, gpointer user_data)
 277 {
 278         (void)web_view;
 279         (void)frame;
 280         (void)navigation_action;
 281         (void)user_data;
 282
 283         webkit_web_policy_decision_ignore(policy_decision);
 284         client_new(webkit_network_request_get_uri(request));
 285
 286         return TRUE;
 287 }
 288
 289 void
 290 cooperation_setup(void)
 291 {
 292         GIOChannel *towatch;
 293         gchar *fifopath;
 294
 295         fifopath = g_build_filename(g_get_user_runtime_dir(), __NAME__".fifo", NULL);
 296
 297         if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 298                 mkfifo(fifopath, 0600);
 299
 300         cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 301         if (!cooperative_pipe_fp)
 302         {
 303                 fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 304         }
 305         else
 306         {
 307                 if (write(cooperative_pipe_fp, "", 0) == -1)
 308                 {
 309                         /* Could not do an empty write to the FIFO which means there's
 310                          * no one listening. */
 311                         close(cooperative_pipe_fp);
 312                         towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 313                         g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 314                 }
 315                 else
 316                         cooperative_alone = FALSE;
 317         }
 318
 319         g_free(fifopath);
 320 }
 321
 322 void
 323 changed_load_status(GObject *obj, GParamSpec *pspec, gpointer data)
 324 {
 325         struct Client *c = (struct Client *)data;
 326
 327         (void)obj;
 328         (void)pspec;
 329
 330         if (webkit_web_view_get_load_status(WEBKIT_WEB_VIEW(c->web_view))
 331             == WEBKIT_LOAD_FINISHED)
 332         {
 333                 gtk_statusbar_pop(GTK_STATUSBAR(c->status), 1);
 334                 gtk_statusbar_push(GTK_STATUSBAR(c->status), 1, "Finished.");
 335         }
 336         else
 337         {
 338                 gtk_statusbar_pop(GTK_STATUSBAR(c->status), 1);
 339                 gtk_statusbar_push(GTK_STATUSBAR(c->status), 1, "Loading...");
 340         }
 341 }
 342
 343 void
 344 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 345 {
 346         const gchar *t;
 347         struct Client *c = (struct Client *)data;
 348
 349         (void)obj;
 350         (void)pspec;
 351
 352         t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 353         gtk_window_set_title(GTK_WINDOW(c->win), (t == NULL ? __NAME__ : t));
 354 }
 355
 356 void
 357 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 358 {
 359         const gchar *t;
 360         struct Client *c = (struct Client *)data;
 361
 362         (void)obj;
 363         (void)pspec;
 364
 365         t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 366         gtk_entry_set_text(GTK_ENTRY(c->location), (t == NULL ? __NAME__ : t));
 367 }
 368
 369 gboolean
 370 download_request(WebKitWebView *web_view, WebKitWebFrame *frame,
 371                  WebKitNetworkRequest *request, gchar *mime_type,
 372                  WebKitWebPolicyDecision *policy_decision, gpointer data)
 373 {
 374         (void)frame;
 375         (void)request;
 376         (void)data;
 377
 378         if (!webkit_web_view_can_show_mime_type(web_view, mime_type))
 379         {
 380                 webkit_web_policy_decision_download(policy_decision);
 381                 return TRUE;
 382         }
 383         return FALSE;
 384 }
 385
 386 gboolean
 387 download_wget(WebKitWebView *web_view, WebKitDownload *download, gpointer data)
 388 {
 389         const gchar *uri;
 390         char id[16] = "";
 391         gint ret;
 392
 393         (void)web_view;
 394         (void)data;
 395
 396         uri = webkit_download_get_uri(download);
 397         if (fork() == 0)
 398         {
 399                 chdir(download_dir);
 400                 if (embed == 0)
 401                         ret = execlp("xterm", "xterm", "-hold", "-e", "wget", uri, NULL);
 402                 else
 403                 {
 404                         if (snprintf(id, 16, "%ld", embed) >= 16)
 405                         {
 406                                 fprintf(stderr, __NAME__": id for xterm embed truncated!\n");
 407                                 exit(EXIT_FAILURE);
 408                         }
 409                         ret = execlp("xterm", "xterm", "-hold", "-into", id, "-e", "wget",
 410                                      uri, NULL);
 411                 }
 412
 413                 if (ret == -1)
 414                 {
 415                         fprintf(stderr, __NAME__": exec'ing xterm for download");
 416                         perror(" failed");
 417                         exit(EXIT_FAILURE);
 418                 }
 419         }
 420
 421         return FALSE;
 422 }
 423
 424 gchar *
 425 ensure_url_scheme(const gchar *t)
 426 {
 427         gchar *f;
 428
 429         f = g_ascii_strdown(t, -1);
 430         if (!g_str_has_prefix(f, "http:") &&
 431                 !g_str_has_prefix(f, "https:") &&
 432                 !g_str_has_prefix(f, "file:") &&
 433                 !g_str_has_prefix(f, "about:"))
 434         {
 435                 g_free(f);
 436                 f = g_strdup_printf("http://%s", t);
 437                 return f;
 438         }
 439         else
 440                 return g_strdup(t);
 441 }
 442
 443 void
 444 grab_environment_configuration(void)
 445 {
 446         gchar *u, *v;
 447         const gchar *e;
 448
 449         u = g_ascii_strup(__NAME__, -1);
 450
 451         v = g_strdup_printf("%s_ACCEPTED_LANGUAGE", u);
 452         e = g_getenv(v);
 453         if (e != NULL)
 454         {
 455                 accepted_language = g_strdup(e);
 456         }
 457         g_free(v);
 458
 459         v = g_strdup_printf("%s_DOWNLOAD_DIR", u);
 460         e = g_getenv(v);
 461         if (e != NULL)
 462         {
 463                 download_dir = g_strdup(e);
 464         }
 465         g_free(v);
 466
 467         v = g_strdup_printf("%s_ZOOM", u);
 468         e = g_getenv(v);
 469         if (e != NULL)
 470         {
 471                 global_zoom = atof(e);
 472         }
 473         g_free(v);
 474
 475         g_free(u);
 476 }
 477
 478 void
 479 hover_web_view(WebKitWebView *web_view, gchar *title, gchar *uri,
 480                    gpointer data)
 481 {
 482         struct Client *c = (struct Client *)data;
 483
 484         (void)web_view;
 485         (void)title;
 486
 487         gtk_statusbar_pop(GTK_STATUSBAR(c->status), 0);
 488         if (uri != NULL)
 489                 gtk_statusbar_push(GTK_STATUSBAR(c->status), 0, uri);
 490 }
 491
 492 gboolean
 493 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 494 {
 495         struct Client *c = (struct Client *)data;
 496         const gchar *t;
 497         gchar *f;
 498
 499         (void)widget;
 500
 501         if (event->type == GDK_KEY_PRESS)
 502         {
 503                 switch (((GdkEventKey *)event)->keyval)
 504                 {
 505                         case GDK_KEY_Return:
 506                                 gtk_widget_grab_focus(c->web_view);
 507                                 t = gtk_entry_get_text(GTK_ENTRY(c->location));
 508                                 if (t != NULL && t[0] == '/')
 509                                 {
 510                                         if (search_text != NULL)
 511                                                 g_free(search_text);
 512                                         search_text = g_strdup(t + 1);  /* XXX whacky */
 513                                         search(c, 1);
 514                                 }
 515                                 else
 516                                 {
 517                                         f = ensure_url_scheme(t);
 518                                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 519                                         g_free(f);
 520                                 }
 521                                 return TRUE;
 522                         case GDK_KEY_Escape:
 523                                 t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 524                                 gtk_entry_set_text(GTK_ENTRY(c->location),
 525                                                    (t == NULL ? __NAME__ : t));
 526                                 return TRUE;
 527                 }
 528         }
 529
 530         return FALSE;
 531 }
 532
 533 gboolean
 534 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 535 {
 536         struct Client *c = (struct Client *)data;
 537         WebKitHitTestResultContext ht_context;
 538         WebKitHitTestResult *ht_result = NULL;
 539         char *ht_uri =  NULL;
 540
 541         (void)widget;
 542
 543         if (event->type == GDK_KEY_PRESS)
 544         {
 545                 if (((GdkEventKey *)event)->state & GDK_CONTROL_MASK)
 546                 {
 547                         switch (((GdkEventKey *)event)->keyval)
 548                         {
 549                                 case GDK_KEY_o:
 550                                         gtk_widget_grab_focus(c->location);
 551                                         return TRUE;
 552                                 case GDK_KEY_h:
 553                                         scroll(gtk_scrolled_window_get_hadjustment(
 554                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, -1);
 555                                         return TRUE;
 556                                 case GDK_KEY_j:
 557                                         scroll(gtk_scrolled_window_get_vadjustment(
 558                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, 1);
 559                                         return TRUE;
 560                                 case GDK_KEY_k:
 561                                         scroll(gtk_scrolled_window_get_vadjustment(
 562                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, -1);
 563                                         return TRUE;
 564                                 case GDK_KEY_l:
 565                                         scroll(gtk_scrolled_window_get_hadjustment(
 566                                                GTK_SCROLLED_WINDOW(c->scroll)), 0, 1);
 567                                         return TRUE;
 568                                 case GDK_KEY_f:
 569                                         scroll(gtk_scrolled_window_get_vadjustment(
 570                                                GTK_SCROLLED_WINDOW(c->scroll)), 1, 0.5);
 571                                         return TRUE;
 572                                 case GDK_KEY_b:
 573                                         scroll(gtk_scrolled_window_get_vadjustment(
 574                                                GTK_SCROLLED_WINDOW(c->scroll)), 1, -0.5);
 575                                         return TRUE;
 576                                 case GDK_KEY_n:
 577                                         search(c, 1);
 578                                         return TRUE;
 579                                 case GDK_KEY_p:
 580                                         search(c, -1);
 581                                         return TRUE;
 582                                 case GDK_KEY_g:
 583                                         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view),
 584                                                                  first_uri);
 585                                         return TRUE;
 586                         }
 587                 }
 588                 else if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 589                 {
 590                         webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 591                         gtk_statusbar_pop(GTK_STATUSBAR(c->status), 1);
 592                         gtk_statusbar_push(GTK_STATUSBAR(c->status), 1, "Aborted.");
 593                 }
 594         }
 595         else if (event->type == GDK_BUTTON_RELEASE)
 596         {
 597                 switch (((GdkEventButton *)event)->button)
 598                 {
 599                         case 2:
 600                                 ht_result = webkit_web_view_get_hit_test_result(
 601                                                                    WEBKIT_WEB_VIEW(c->web_view),
 602                                                                        (GdkEventButton *)event);
 603                                 g_object_get(ht_result, "context", &ht_context, NULL);
 604                                 if (ht_context & WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK)
 605                                 {
 606                                         g_object_get(ht_result, "link-uri", &ht_uri, NULL);
 607                                         client_new(ht_uri);
 608                                         g_object_unref(ht_result);
 609                                         return TRUE;
 610                                 }
 611                                 g_object_unref(ht_result);
 612                                 return FALSE;
 613                         case 8:
 614                                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 615                                 return TRUE;
 616                         case 9:
 617                                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 618                                 return TRUE;
 619                 }
 620         }
 621
 622         return FALSE;
 623 }
 624
 625 gboolean
 626 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
 627 {
 628         gchar *uri = NULL;
 629
 630         (void)condition;
 631         (void)data;
 632
 633         g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
 634         if (uri)
 635         {
 636                 g_strstrip(uri);
 637                 client_new(uri);
 638                 g_free(uri);
 639         }
 640         return TRUE;
 641 }
 642
 643 void
 644 search(gpointer data, gint direction)
 645 {
 646         struct Client *c = (struct Client *)data;
 647
 648         if (search_text == NULL)
 649                 return;
 650
 651         webkit_web_view_search_text(WEBKIT_WEB_VIEW(c->web_view), search_text,
 652                                     FALSE, direction == 1, TRUE);
 653 }
 654
 655 void
 656 scroll(GtkAdjustment *a, gint step_type, gdouble factor)
 657 {
 658         gdouble new, lower, upper, step;
 659         lower = gtk_adjustment_get_lower(a);
 660         upper = gtk_adjustment_get_upper(a) - gtk_adjustment_get_page_size(a) + lower;
 661         if (step_type == 0)
 662                 step = gtk_adjustment_get_step_increment(a);
 663         else
 664                 step = gtk_adjustment_get_page_increment(a);
 665         new = gtk_adjustment_get_value(a) + factor * step;
 666         new = new < lower ? lower : new;
 667         new = new > upper ? upper : new;
 668         gtk_adjustment_set_value(a, new);
 669 }
 670
 671 Window
 672 tabbed_launch(void)
 673 {
 674         gint tabbed_stdout;
 675         GIOChannel *tabbed_stdout_channel;
 676         GError *err = NULL;
 677         gchar *output = NULL;
 678         char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
 679         Window plug_into;
 680
 681         if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
 682                                       NULL, NULL, NULL, &tabbed_stdout, NULL,
 683                                       &err))
 684         {
 685                 fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
 686                 g_error_free(err);
 687                 return 0;
 688         }
 689
 690         tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
 691         g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
 692         if (output == NULL)
 693         {
 694                 fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
 695                 return 0;
 696         }
 697
 698         g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
 699
 700         g_strstrip(output);
 701         plug_into = strtol(output, NULL, 16);
 702         g_free(output);
 703         return plug_into;
 704 }
 705
 706 void
 707 usage(void)
 708 {
 709         fprintf(stderr, "Usage: "__NAME__" [OPTION]... <URI>...\n");
 710         exit(EXIT_FAILURE);
 711 }
 712
 713
 714 int
 715 main(int argc, char **argv)
 716 {
 717         int opt, i;
 718
 719         gtk_init(&argc, &argv);
 720
 721         grab_environment_configuration();
 722
 723         while ((opt = getopt(argc, argv, "e:rCT")) != -1)
 724         {
 725                 switch (opt)
 726                 {
 727                         case 'e':
 728                                 embed = atol(optarg);
 729                                 tabbed_automagic = FALSE;
 730                                 break;
 731                         case 'r':
 732                                 show_all_requests = TRUE;
 733                                 break;
 734                         case 'C':
 735                                 cooperative_instances = FALSE;
 736                                 break;
 737                         case 'T':
 738                                 tabbed_automagic = FALSE;
 739                                 break;
 740                         default:
 741                                 usage();
 742                 }
 743         }
 744
 745         if (optind >= argc)
 746                 usage();
 747
 748         adblock_load();
 749         cooperation_setup();
 750
 751         if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
 752                 embed = tabbed_launch();
 753
 754         first_uri = g_strdup(argv[optind]);
 755         for (i = optind; i < argc; i++)
 756                 client_new(argv[i]);
 757         if (!cooperative_instances || cooperative_alone)
 758                 gtk_main();
 759         exit(EXIT_SUCCESS);
 760 }